Lab Exam 2 -
B B B
Requires RespondusLockDown Br
B B B B
owser + Webcam Instructions
B B B
Please read the following before beginning the exam:
B B B B B B B
• YouBmustBshowByourBworkBforBcalculationsBorBgiveBanBexplanationBforBshortBanswe
rBquestionsBinBorderBtoBreceiveBcredit.
• YouBmayBonlyBuseBtheBmethodsBandBexplanationsBprovidedBbyBthisBcourseBforByou
rBanswers.
• YouBMUSTBuseBtheBPeriodicBTableBprovidedBbyBtheBcourse.
• TheBuseBofBprintedBversionsBofBtheBPeriodicBTableBandBwillBbeBconsideredBaBviolationBo
fBtheBAcademicBIntegrityBPolicy.
• YourBlabBnotebookBand/orBlabBreportBshouldBbeBusedBwhenBtakingBtheBexam.BYouBma
yBeitherBprintBitBoutBorBuseBhandwrittenBnotes.BYouBmustBshowBbothBsidesBofByourBlab
BnotebookBand/orBlabBreportBduringBtheBroomBscan.BIfByouBfailBtoBshowByourBlab
notebookBorBlabBreport,BbutBitBisBclearByouBareBusingBsomeBformBofBnotes,BitBwillBb
eBconsideredBaBviolationBofBtheBAcademicBIntegrityBPolicy.
• DuringBlabBexamsByouBmayBnotBuseBanyBoutsideBsourceBofBinformationBsuchBasBth
eBmodule,BproblemBsets,BInternet,Btutor,Betc.,BwithBtheBexceptionBofByourBlabBnote
book/reportBmentionedBabove.
• YouBmayBonlyBcopyBandBpasteBfromBwithinBtheBexamBitselfBorBfromBtheBprovide
dBcalculatorBbutBnotBfromBanBoutsideBsource.
• TheBonlyBitemsByouBshouldBhaveBinBfrontBofByouBareBtheBexamBitself,B1-
2BpiecesBofBblankBscratchBpaper,BaBpen/pencil,BaBcalculatorB(non-
cellBphone),BandByourBlabBnotebook/report.
Attempt History
B
Attempt Time Score
LATEST AttemptB1 57Bminutes 0BoutBofB30B*
*BSomeBquestionsBnotByetBgraded
ScoreBforBthisBquiz:B0BoutBofB30B*
, SubmittedBMarB4BatB12:32pmB
ThisBattemptBtookB57Bminutes.
Question 1 B
Not yet graded / 10 pts
B B B B B
ScientificBCalculator
1. DensityBisBhowB[answer1]BareBtheBparticlesBofBaBmaterial.
2. GasesBhaveBaB[answer2]BdensityBthanBliquids.
3. VolumeBisBmeasuredBinBtheBunitBofB[answer3]B.
4. AccuracyBisBtheBagreementBofBmeasurementBwithBtheB[answer4]B .
5. TheBvolumeBofBaBcylinderBisB[answer5]B
.BYourBAnswer:
1.BcloseBtogether.B
2.lowerBdensity
3. milliliters.
4.acceptedBvalueBofBtheBquantity.
5. ThisBisBtheBfinalBvolumeBminusBtheBinitialBvolumeBwhichBgivesBtheBcylinderBvolume
.BCorrectBanswersBbelow
1. closelyBpacked
2. lower
3. mlB(orBcm3)
4. acceptedBvalue
5. Πr2l
Question 2 B
Not yet graded / 10 pts
B B B B B
ScientificBCalculator
DoBdensityBandBpercentBerrorBcalculationsBtoB2ndBdecimalBplace.
DensityBmeasurementsBwereBconductedBonBaB21.8 oCBsampleBofBwaterBwhichBhadBaBthe
oreticalBdensityBofB0.997815Bg/ml.B ABvolumeBofB10.00BmlBofBtheBwaterBhadBaBmassBof
B B B
Requires RespondusLockDown Br
B B B B
owser + Webcam Instructions
B B B
Please read the following before beginning the exam:
B B B B B B B
• YouBmustBshowByourBworkBforBcalculationsBorBgiveBanBexplanationBforBshortBanswe
rBquestionsBinBorderBtoBreceiveBcredit.
• YouBmayBonlyBuseBtheBmethodsBandBexplanationsBprovidedBbyBthisBcourseBforByou
rBanswers.
• YouBMUSTBuseBtheBPeriodicBTableBprovidedBbyBtheBcourse.
• TheBuseBofBprintedBversionsBofBtheBPeriodicBTableBandBwillBbeBconsideredBaBviolationBo
fBtheBAcademicBIntegrityBPolicy.
• YourBlabBnotebookBand/orBlabBreportBshouldBbeBusedBwhenBtakingBtheBexam.BYouBma
yBeitherBprintBitBoutBorBuseBhandwrittenBnotes.BYouBmustBshowBbothBsidesBofByourBlab
BnotebookBand/orBlabBreportBduringBtheBroomBscan.BIfByouBfailBtoBshowByourBlab
notebookBorBlabBreport,BbutBitBisBclearByouBareBusingBsomeBformBofBnotes,BitBwillBb
eBconsideredBaBviolationBofBtheBAcademicBIntegrityBPolicy.
• DuringBlabBexamsByouBmayBnotBuseBanyBoutsideBsourceBofBinformationBsuchBasBth
eBmodule,BproblemBsets,BInternet,Btutor,Betc.,BwithBtheBexceptionBofByourBlabBnote
book/reportBmentionedBabove.
• YouBmayBonlyBcopyBandBpasteBfromBwithinBtheBexamBitselfBorBfromBtheBprovide
dBcalculatorBbutBnotBfromBanBoutsideBsource.
• TheBonlyBitemsByouBshouldBhaveBinBfrontBofByouBareBtheBexamBitself,B1-
2BpiecesBofBblankBscratchBpaper,BaBpen/pencil,BaBcalculatorB(non-
cellBphone),BandByourBlabBnotebook/report.
Attempt History
B
Attempt Time Score
LATEST AttemptB1 57Bminutes 0BoutBofB30B*
*BSomeBquestionsBnotByetBgraded
ScoreBforBthisBquiz:B0BoutBofB30B*
, SubmittedBMarB4BatB12:32pmB
ThisBattemptBtookB57Bminutes.
Question 1 B
Not yet graded / 10 pts
B B B B B
ScientificBCalculator
1. DensityBisBhowB[answer1]BareBtheBparticlesBofBaBmaterial.
2. GasesBhaveBaB[answer2]BdensityBthanBliquids.
3. VolumeBisBmeasuredBinBtheBunitBofB[answer3]B.
4. AccuracyBisBtheBagreementBofBmeasurementBwithBtheB[answer4]B .
5. TheBvolumeBofBaBcylinderBisB[answer5]B
.BYourBAnswer:
1.BcloseBtogether.B
2.lowerBdensity
3. milliliters.
4.acceptedBvalueBofBtheBquantity.
5. ThisBisBtheBfinalBvolumeBminusBtheBinitialBvolumeBwhichBgivesBtheBcylinderBvolume
.BCorrectBanswersBbelow
1. closelyBpacked
2. lower
3. mlB(orBcm3)
4. acceptedBvalue
5. Πr2l
Question 2 B
Not yet graded / 10 pts
B B B B B
ScientificBCalculator
DoBdensityBandBpercentBerrorBcalculationsBtoB2ndBdecimalBplace.
DensityBmeasurementsBwereBconductedBonBaB21.8 oCBsampleBofBwaterBwhichBhadBaBthe
oreticalBdensityBofB0.997815Bg/ml.B ABvolumeBofB10.00BmlBofBtheBwaterBhadBaBmassBof
